How to do basic plumbing repairs
  • 1. What is the first thing you should do before starting any plumbing repair?
A) Turn off the water supply
B) Start disassembling the pipe
C) Grab your tools
D) Call a plumber
  • 2. What tool is best for tightening or loosening nuts and bolts on plumbing fixtures?
A) Hammer
B) Screwdriver
C) Adjustable wrench
D) Pliers
  • 3. What is Teflon tape used for?
A) Insulating pipes
B) Cleaning pipes
C) Holding pipes together
D) Sealing pipe threads
  • 4. Which type of pipe is commonly used for water supply lines?
A) Orangeburg
B) Cast iron
C) PEX
D) Clay
  • 5. What is the purpose of a pipe wrench?
A) Cut pipes
B) Measure pipes
C) Grip and turn pipes
D) Clean pipes
  • 6. What is a common cause of a leaky faucet?
A) Clogged drain
B) Worn-out O-ring
C) High water pressure
D) Broken pipe
  • 7. How can you unclog a sink drain?
A) Add more water
B) Ignore it
C) Hit the pipe with a hammer
D) Use a plunger
  • 8. What is the purpose of a shut-off valve?
A) To filter water
B) To increase water pressure
C) To stop the flow of water
D) To measure water usage
  • 9. What tool is used to cut copper pipes?
A) Knife
B) Hacksaw
C) Tube cutter
D) Chisel
  • 10. What is flux used for when soldering copper pipes?
A) To insulate the joint
B) To clean and prepare the joint
C) To cool the joint
D) To decorate the joint
  • 11. What is a good way to prevent pipes from freezing in cold weather?
A) Turn off the heat
B) Insulate the pipes
C) Run hot water continuously
D) Open all windows
  • 12. What is the purpose of a P-trap?
A) To prevent sewer gases from entering the house
B) To catch large debris
C) To filter water
D) To increase water pressure
  • 13. Which type of pipe is NOT suitable for potable (drinking) water?
A) PEX
B) ABS
C) CPVC
D) Copper
  • 14. What is the purpose of a snake or auger?
A) To clear clogged drains
B) To cut pipes
C) To tighten pipes
D) To measure pipe length
  • 15. What should you do if you find a major leak?
A) Try to fix it while the water is still running
B) Call a neighbor
C) Shut off the main water supply
D) Ignore it and hope it goes away
  • 16. What safety precaution should you take when soldering?
A) Touch the hot pipe immediately
B) Wear shorts and sandals
C) Work in a confined space
D) Wear safety glasses
  • 17. What is the best way to remove a stubborn bolt?
A) Ignore it
B) Use penetrating oil
C) Hit it harder with a hammer
D) Melt it with a torch
  • 18. What is the purpose of a water pressure regulator?
A) To reduce high water pressure
B) To filter water
C) To heat water
D) To increase water pressure
  • 19. What type of connection is commonly used for PEX pipe?
A) Welded joint
B) Glued joint
C) Crimp fitting
D) Soldered joint
  • 20. What should you do after completing a plumbing repair?
A) Leave the water running
B) Check for leaks
C) Throw away all your tools
D) Ignore the area
  • 21. What is the purpose of pipe dope?
A) To insulate pipes
B) To strengthen pipes
C) To seal threaded pipe joints
D) To clean pipes
  • 22. Which tool is best for cutting PVC pipe?
A) Hacksaw
B) Screwdriver
C) Pipe wrench
D) PVC pipe cutter
  • 23. What is the purpose of a toilet flapper?
A) To seal the tank and release water into the bowl
B) To decorate the toilet
C) To flush the toilet paper
D) To control the water temperature
  • 24. What is a common sign of a running toilet?
A) The toilet flushes automatically
B) The toilet is always clean
C) Water constantly running in the bowl
D) The toilet is always quiet
  • 25. What is a backflow preventer?
A) A device that heats water
B) A device that filters water
C) A device that increases water pressure
D) A device that prevents water from flowing backward
  • 26. What is CPVC pipe used for?
A) Gas lines
B) Sewer lines
C) Hot and cold water supply lines
D) Drainage
  • 27. What is the purpose of a basin wrench?
A) To solder pipes
B) To measure pipes
C) To cut pipes
D) To reach nuts in tight spaces under sinks
  • 28. What safety measure should be taken when using a plumber's torch?
A) Leave the torch unattended
B) Work in a confined area with no ventilation
C) Wear flammable clothing
D) Keep a fire extinguisher nearby
  • 29. What is the purpose of a mixing valve?
A) To filter water
B) To shut off water supply
C) To blend hot and cold water for a desired temperature
D) To increase water pressure
  • 30. Why is it important to properly vent plumbing fixtures?
A) To filter water
B) To increase water pressure
C) To allow air to enter and exit the drain system
D) To heat water
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